Best Chamberlain Liftmaster Professional 15 Horse

The model 3950 door operator is designed for commercial rolling sheet door applications only – ideal for self-storage facilities. It may be used on commercial rolling sheet doors with live or dead shaft measuring up to 12 ft. High and up to 14 ft. Wide, but not exceeding 650 lbs. Maximum recommended duty cycle: 10 cycles per hour.

The model 3900 door operator is designed for light-duty commercial sectional applications only. It may be used on standard vertical and high-lift sectional doors measuring up to 14 ft. High and up to 18 ft. Wide but not exceeding 180 sq. ft. or 650 lbs. Maximum recommended duty cycle: 10 cycles per hour. The 3900 is not compatible with low headroom applications. Top clearance: 3 1/2 ” from center of torsion shaft to the top of the operator. Side clearance: 8” minimum required approximately 1 ½” shaft exposed beyond bearing plate required to attach coupler. Unit physical dimensions 16 1/2″ L x 7″ W x 6 3/4″ D. Compact design ideal for limited height cathedral or obstructed ceiling installations. Wall mount installation: Mounts on the left or right side of door and attaches to the door tension bar. Heavy-duty 24VDC motor provides ultra-quiet operation along with variable speed smooth start and stop. UL325 compliant.

P3tm motors from Liftmaster are reliable, durable and powerful – designed specifically for your needs. 1/2 HP AC motor with industrial-strength chain drive provides steady performance and lifting power. Energy-efficient operation consumes up to 75% less power in standby mode.

Connectivity-must have front mount torsion springs for compatibility- MyQ technology enables your customers to securely monitor and control their garage door opener and houselights with a smartphone, tablet or computer (when paired with the LiftMaster internet gateway). Alerts can be received as email or pop-up (push) notifications on a mobile device so that your customers always know the status of your garage door and houselights. MyQ mobile app is a free download requiring no annual activation fee. Compatible with home link. Requires 828lm MyQ internet gateway to connect to MyQ smartphone app. Performance p3 motors from LiftMaster are reliable, durable and powerful – designed specifically for your customers’ needs. Ultra-quiet eliminates sound and vibration through the ceiling – perfect fro a home with a room above or next to the garage. Battery back-up powers up even when the power is out so your customers can get in or out of their garage (optional battery 475lm is required). Wall mount design frees the garage ceiling of hanging operators and rails, and opens up the space for additional storage – ideal for cathedral or obstructed ceilings. Works only with sectional doors, up to 14’ high. 6’ power cord makes connecting to the power source easier than ever – also ideal for vaulted ceilings. Remote light delivers 200 watts of light with adjustable light time delay (or CFL equivalent).

For use with model 3800 Jackshaft residential opener. Allows the garage door openers to be lowered due to low ceilings or obstructed areas. Install quickly and easily.

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